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#!/bin/sh
# Script for using ViM as a PAGER.
# Based on Bram's less.sh.
# Version 1.4.3
# git://github.com/rkitover/vimpager.git
# Just pass through if not on a tty
if [ ! -t 1 ]; then
exec cat "$@"
fi
case `uname -s` in
Cygwin) cygwin=1 ;;
Linux) linux=1 ;;
SunOS) solaris=1 ;;
*) bsd=1 ;;
esac
less_vim() {
vim -R \
-c 'let no_plugin_maps = 1' \
-c 'set scrolloff=999' \
-c 'runtime! macros/less.vim' \
-c 'set foldlevel=999' \
-c 'set mouse=a' \
-c 'set nonu' \
-c 'nmap <ESC>u :nohlsearch<cr>' \
"${@:--}"
}
awk_pstree() {
awk -v mypid=$1 '{
cmd[$1]=$3
ppid[$1]=$2
}
END {
while (mypid != 1 && cmd[mypid]) {
ptree=mypid " " cmd[mypid] "\n" ptree
mypid=ppid[mypid]
}
print ptree
}'
}
do_ptree() {
if [ $solaris ]; then
# Tested on Solaris 8 and 10
ptree $$
else
# Tested on Linux and OS X
ps awo pid=,ppid=,comm= | awk_pstree $$
fi
}
# Check if called from man, perldoc or pydoc
ptree="`do_ptree`"
if echo "$ptree" | awk '$2 ~ /(^|\/)(man|perl(doc)?([0-9.]*)?|py(thon|doc|doc2))/ {t=1} END { exit 1-t }'; then
sed -e 's/\[[^m]*m//g' -e 's/.//g' "${@:--}" \
| less_vim -c 'set ft=man' -c "set nonumber" -
exit
fi
case "$@" in
*.gz) gunzip -c "${@:--}" | sed -e 's/\[[^m]*m//g' -e 's/.//g' | less_vim - ;;
*.Z) uncompress -c "${@:--}" | sed -e 's/\[[^m]*m//g' -e 's/.//g' | less_vim - ;;
*) sed -e 's/\[[^m]*m//g' -e 's/.//g' "${@:--}" | less_vim - ;;
esac
# CONTRIBUTORS:
#
# Rafael Kitover
# Antonio Ospite
# Jean-Marie Gaillourdet
# Perry Hargrave
# Koen Smits
# Ivan S. Freitas <ivansichfreitas@gmail.com>
# Wout Mertens (Solaris compatibility, less processes)
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